Allen-Bradley 1771-IG: TTL Logic and 5 V Wiring Checks
Check 1771-IG TTL HIGH/LOW logic thresholds, field supply ripple and 1771-WC wiring before replacing an input module.
Manufacturer: ABB
Product No.: CPU86-NDP
Country of origin:Sweden
Product Type: PLC CPU Modules
Barcode: 85389091
Payment: T/T, Western Union
Weight: 500g
Dimensions: 25 x 279 x 178 mm
Shipping port: Xiamen
Warranty: 12 months
The ABB Stromberg CPU86-NDP is a central processing unit board engineered to manage core control algorithms and process coordination inside Stromberg industrial automation frameworks. Acting as the primary arithmetic and logic core for its designated programmable logic system, this circuit board executes real-time application programs, scans inputs, updates outputs, and arbitrates data paths across the local equipment rack backplane. Built with heavy-duty architecture to maintain thermal and electrical stability inside demanding plant control enclosures, this module serves as an engineering replacement to resolve processing bottlenecks, hardware lockups, and processor communication faults in legacy system architectures.
| Parameter | Value |
|---|---|
| Manufacturer | ABB |
| Series Range | Stromberg |
| Model Number | CPU86-NDP |
| Component Type | CPU Processor Board |
| Product Lifecycle Status | Obsolete |
| Export Control Regulations (ECCN) | N |
| Commodity Code | 85389091 |
| Product Net Weight | 0.50 kg |
| Shipping Weight (Calculated) | 0.85 kg |
| Package Dimensions (Calculated) | 25 x 279 x 178 mm |
| Country of Origin | Sweden (SE) |
Isolate all electrical power going to the processing rack before initiating module swap procedures. Pulling or replacing a central processor board while the rack backplane is energized can corrupt volatile memory blocks, halt operational loops, and induce catastrophic hardware faults across interconnected I/O cards.
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Returns & Warranty

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Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
Green
|
| Country of origin |
Sweden
|